[ale] Bellsouth dropping SYN packets?

[John Wells]

It's a good possibility.  I restored an old box to service this weekend and
thought I'd replace my current custom built firewall to try out some
different *secure* distributions.  The current one I'm running is
smoothwall.

I took a look at the ipchains ruleset it uses and it looks like everything
should work.  I'm gonna do some further debugging tonight, but I wanted to
make sure I wasn't spinning my wheels.

If you're running servers, then I guess I'm not.  Are you using their
static-ip business services or the dynamic residential service?

Thanks!

John


---------  Original message --------
From: Tyler Kiley <tyler at kianta.com>
To: ale at ale.org
To: John Wells <jb at sourceillustrated.com>, ale at ale.org <ale at ale.org>
Subject: Re: [ale] Bellsouth dropping SYN packets?
Date: 04-29-02 14:25

> I've heard a lot of whining about bellsouth dsl here, but I've never had
any
trouble with them.  I've run www, smtp, pop3, and ssh servers on standard
ports with no problems.  Are you sure your firewall isn't dropping them?

Tyler

On Monday 29 April 2002 06:04 am, John Wells wrote:
&gt; Playing around with a firewall this weekend.  Everything works great
&gt; internally (MASQ'ing works fine).  However, I couldn't hit my box from
an
&gt; external IP, no matter what ports I opened up and what port forwarding
&gt; settings I had.  I tried to hit the raw IP and also my dyndns.org name
&gt; (which was correctly updated with my current IP).
&gt;
&gt;
&gt; Does anyone know if Bellsouth DSL does any dropping of inbound SYN
packets?
&gt; It would surprise me if they did, but then again, nothing tends to
surprise
&gt; me when it comes to Bellsouth.
&gt;
&gt; Thanks,
&gt; John
&gt;
&gt;
&gt; ---
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